Step-by-step explanation:
12 to the 2nd power=144
15 to the 2nd power =225
225-144=81
square root of 81 is 9
Answer:
A
1/15 *3=0.2
1/5=0.2
1 ÷5=0.2
6
1.5*4=6
It's the first one.
hope it helps :)